Dumping-platform



4 Sheets-Sheet 1 (No Model.)

5 G. H. GORMAG K. DUMPiNG PLATFORM.

Patented M53 9, 1882.

(No Model.) 4 Sneets -.Sheet 2.

G. H. GORMAGK.

DUMPING PLATFORM.

Patented May 9, 1882.

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G. H. OORMAGK.

DUMPING' PLATFORM.

No. 257,554. Patented May 9,1882.

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(No Model.) 4 Sheets--Sheet 4.

G. H. GORMAGK. H M I 5 DUMPING PLATFORM. No. 257,554. Patented May 9,1882.

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7ba szfls', ,ZLWZZLDT UNITED STATES PATENT OFFICE.

GEORGE H. COR-MACK, OF ROCKFORD, ILLINOIS.

DUMPING- PLATFORM.

SPECIFICATION forming part of Letters Patent No. 257,554, dated May 9, 1882, Application filed January 25, 1882. (No model.)

To all whom it may concern:

Be it known that I, GEORGE H. CORMAGK, a citizen of the United States, residing in the city of Rockford, in the county of Winnebago and State of Illinois, have invented new and useful Improvements in Dumping-Platforms, of which the following is a specification.

My invention relates to dumpii'ig-platforms employed mainly in unloading grain from ordinary wagons or sleds; and it consists of a pivoted platform, of suitable. dimensions and of proper construction to receive aloaded wag on, and means for changing it from a horizontal to an inclined position to permit the contents of the wagon to flow from its rear end when the end-gate of the wagon is removed or opened; and the devices employed, their construction, arrangement, and operation will be hereinafter more fully described.

In the accompanying drawings, Figure 1 is an isometrical representation of my improved dumping-platform mounted on foundation walls of masonry, a portion of which is broken away to more fully show the construction.

Fig. 2 is a plan view of my improved dumping apparatus with wagon and sled omitted. Fig. 3 is alengthwise vertical section on dotted line m of Fig. 1, showing the platform in position to receive a wagon or sled. Fig. 4. is a lengthwise vertical section on dotted line 00 of Fig. 1, showing the platform in its first i11- clined position, or at half-dump.- Fig. 5 is a lengthwise vertical section on dotted line a of Fig. 1, showing the platform in its second position, or at full-dump. Fig. 6 is a lengthwise vertical section on dotted line no of Fig. 1, showing the platform in full-dump with sled mounted thereon. Fig. 7 is a vertical transverse section on dotted line 3 of Fig. l with wagon mounted on the platform in position to be dumped. Fig. 8 is a vertical transverse section on dotted line 7 of Fig. 1, showing the platform in full-dump with wagon mounted thereon.

In the figures, A represents suitable timber beams, rectangular in cross-section, having their end portions joined or framed to each other at the corners, producing a rectangular frame, substantially such as the border-frame of scales, such as are employed and in common use for the purpose of weighing loaded wagons, carts, and sleds, and generallyknown as hay-scales. This frame, as represented, is supported on a foundation or pit wall, B, formed of stone, brick, or other suitable material.

At 0 are represented the lengthwise side beams of a scale-platform, which arerectaugular in cross-section, ot'suitable dimensions, and

of properlengths. These beams are placed parallel to each other, separated a proper distance, having their end portions covered with plank I), placed crosswise of the beams, and gained into the end portions thereof, producing an upper surface even with the upper surface of the beams.

At E is represented a door-like portion of the platform, having a hinged connection with the fixed portion of the plank thereof in such a manner as to becapable of being raised on its hinged connection and supportedin itsinclined position, as represented in Figs. 4 and 5, on a link, a, hinged to its forward edge, or folded outward on the fixed plank of the platform, as represented in Fig. 6, to produce an openingin the platform to permit the grain flowing from the open rear end of the wagon to descend below the platform to be conducted or delivered to a proper receiver.

' This platform is designed to represent the platform of a suitable weighing scale or balance, and is designed to be supported upon the lever-beam of a scale in the usual manner; butin this instance'l have notdeemed it necessary to represent the scale, as any of the usual and known forms of scales or balances may be employed. I have therefore represented this platform in thisinstance supported on suitable transverse beams, F, having their ends supported in the side walls of the pit immediately under the beams of theborder-frame. The dumping portion of this scale-platform consists of a central portion, G, and side per form, consisting of a transverse rod or bar, a, having its end supports in the the scale-platform.

form consists of side beams I, rectangular in cross-section, of suitable dimensions, and of to their rear or dumping ends. The upper surtions H, all of which have a common trans-1 verse central pivotal support in the main plat'-' side beams of The central portion of this dumping-plat proper length suitably separated, having a, transverse beam, K, framed or otherwise joined face of this central portion of the dumpingplatform is formed of plank I), placed crosswise, having their end. portions securely fixed lo the side beams I.

The wagon-track portions of this dumpingplatform consist of the lengthwise side beams H, rectangular in cross-section, of suitable dimensions, and ot'a properlength. These beams are placed one on each side of the central portion of the dumping-platform, and are centrally pivoted on the same transverse central pivot-bar, a, and capable of a pivotal movement thereon in unison with the central portion or independently thereof. The widths of these parts respectively are such that when a wagon is in position 011 the dump'its wheels will be supported centrally lengthwise on the side beams H, with its rear wheels resting in the curved depressions c in their rear end portions. The forward ends of side beams H and of the central portion, G, of the dump rest on a transverse beam, L, fixed to the lower side of thelengthwise beams of the scale-platform.

At dare represented short studs, framed in to the under side of the rear end portion of the side beams of the central portion of the dumping-platform, and to their lower ends is fixed a transverse beam, 0, having its ends projecting beyond the studs to receive the rear end portion of the pivoted side beams H of the dump, and limit their descent relatively with the central portion.

At M is represented a transverse beam, having its end portions supported in the side walls of the-pit or in any other suitable manner at a proper distance below the platform, and in position to receive the transverse beam 0 to limit the descent of the rear end of the dump.

At N is represented a beam of suitable dimensions in cross-section and ofproper length, having a suitable hinge-connection with the transverse beam M in such a manner as to permit it to rest on the upper surface of the transverse beam, as represented in Figs. 3, 4-, and 5, to limit the descent of the dump for the purpose of unloading wagons. This beam is capable of being changed to the position in front of the transverse bar, as shown in Fig. 6, to permit the central portion of thedump to descend until the transverse beam 0 rests on the fixed transverse beam M, employed to receive it and limit the descent of the dump when unloading a sled, as represented in Fig. 6, in which instance the dipping movement of the pivoted side beams is limited to the movement of the central portion of the dump by means ot'suit- V able turning buttons, f, fixed to the forward end of the central portion thereof, and capable of an outward turning movement to overlap the pivoted side beams to cause them tomove in unison with the central portion.

At h are represented suitable cords or chains, having their lower endsfixed to opposite sides of the hinged beam .and their upper free ends passed upward through the central portion of the dumping-platform in such a manner that their free end will engage adetenton the rear ends of the pivoted side beams H of the d ump.

At It are represented lever detents, having their rear ends pivoted to the rear ends of the side beams II and their forward ends are connecgedto the side beams O of the scaleplatform by means of chains 1. .Thcse detents are fitted with a ratchet-tooth, m, which, when the dump is depressed, will he engaged by the free end of the pawl, and operate to hold the parts in their relative position when employed in unloading wagons.

At 1? are represented pendants, fixed to the side beams of the scale platform, from which they depend a suitable distance, having their lower end fitted in hook-bearing form, in which a suitable transverse shalt, ll, is supported to oscillate.

At S are represented standard-supports, mounted on the transverse shaft R in such position thereon that their upperends, a, which are ofcurved segment form, will engage the under face of the projecting ends of the end bar, K, and the rear ends of the pivoted side beams H of the dumping-platform, and serve to support them in the same horizontal plane as the scale-platform.

At T isrepresented a hand-lever, having its lower end fixedto the outer end of the transverse oscillating shaft, from which its free end 0 rises above the platform in position to be operated by an attendant, and its extreme forward and rearward movements are limited by suitable stops, 1) and 3.

At t is represented a weighted arm, extending forward from the lever atits junction with the shaft, and operates to hold the lever in its forward position against the forward stop, 19, in which position of the lever the curved segment n of the standard S will be under the projectingends of the end bar, K, and the rear end of the pivoted side beams H, in which position my improved dumping apparatus will be in position to receive a wagon, and when the turn-buttons j" are put in their dotted'line position it will be fitted to receive a sled.

In the use of myimproved dumping apparatus, when constructed substantially as shown and described, and the parts adjusted to receive awagou to be unloaded, itisplaced upon the dumpirig-platform with its wheels on the pivoted side beams in their lengthwise direction, having its rear wheels resting in the depressions in the rear end portions of the beams. The hinged door-like portion is then raised to ICC its standing or inclined position, as in Figs. 4

and 5. The hand-lever is then moved rearward to its dotted-line position between the stops, which will carry the forward end of the 5 segment a past the rear end of the pivoted beam on which the wagon is supported, and permit them to drop onto the projecting ends of the transverse supporting-beam c, which movementwill permitthe wheelstorestagainst the projecting ends of the'end beam, K,to prevent the wagon from running back, producing an automatic blocking of the wheels of the wagon in the process of dumping, and the hinged detents will drop into position to en gage the teeth in the pivoted detent, when the dump has dropped toitslowest position. With the parts in this position the rear end-gate of the wagon is opened, which will permit its contents, or a portion thereof, to be discharged. The hand-lever is then moved rearward against the rear stop, 8, which movement will carry the forward end of the supporting-segment 02 rearward of the projecting ends of the rear.

bar, K, and permit the dumping-platform to descend until the supporting-beam c rests on the hinged beam N, supported on the upper surface of the supporting-beam M. In this position the contents of the wagon will freely flow from its open rear endand descend into thepit; and in this position the pivoted detents, by means of their chain-connection with the beams of the scale-platform, will have been raised to cause their ratchet-toothed portions to engage the free end of the hinged detents, which will operate to hold the outer pivoted beams and central portion of the dump in their relative position until in the forward movement of the wagon the central portion of the dumpingplatlorm has reached, or nearly reached, its horizontal position, when the hinged pawls will be disengaged from the detent, and the pivoted side beams, on 'which the wagon is supported, will descend to the levelot' the scale-platform and of the central portion of the dumpingplatform, when the curved segment-snpport a will, by means ofits weighted arm, be returned to its extreme forward position under the rear end. of the dumping portions of the platform, when the apparatus will be fitted to receive another wagon.

In the use of my improved dumping-platform in unloading sleds 1 turn the buttons f to the position shown in the dotted lines to connect the pivoted side beams with the central portion of the dump to cause them to move in unison, and by means of the forward cord or chain, It, on the upper side of the central portion of the dump, I change the hinged beam to the position shown forward of the beam M, to which it is hinged. The hinged door-like portion is then closed, which fits the apparatus to receive a loaded sled. When the sled is in position on the dumping-platform the hinged door-like portion is again raised to its 6 inclined or rearward folding position on the platform, and the rear end-gate of the sled is then opened, after which the hand-lever is moved from its extreme forwardto its extreme rear position, which carries the segment-support a from under and rearward of the dumping portion of the platform, and permits it to descend to the position shown in Fig. 6, in which position the contents of the sled will be discharged into the pit, after which the forward movement of the sled will depress the forward end of the platform and return the parts to their position to receive another sled.

I claim as my invention 1. A three-part dumping-platform consisting of a central portion and track side beams having a central pivot-support, the side beams and central portions capable ofa pivotal dumping movement in unison or independel'izt, substantially as and for the purpose hereinbefore set forth.

2. A three-part dumping-platform consisting of a central portion and side-track beams having a central pivotal support, the side beams and central portions capable of a pivotal dumping movement in unison or independent, and the central portion provided with lateral arms projecting in rear of the track side beams, to receive the wheels of the wagon, substantially as and for the purpose hereinbefore set forth.

3. The combination, with a three-part dumping-platform consisting of a central portion and track side beams having a common central pivot-support, the side beams and central portion capable of a pivotal dumping movement in unison or independent, of a pawl and detent connected with their respective parts and adapted to engage each other, substantially in the manner and for the purpose hereinbefore set forth.

4. The combination, with a three-part dumping-platform consisting of a central portion and track side beams having a common cen tral pivot-support, the side beams and central portion capable of a pivotal dumping movement-in unison or independent, of turn-buttons or other equivalent locking mechanism to limit the three-part platform to a unison of movement, substantially as and for the purpose hereinbefore set forth.

5. The combination, with a scale-platform, of a central three-part dumping-platform consisting of a central portion and track side beams having a common central pivotal support in the scale-platform and capable of a pivotal movement in unison or independent, substantially as and for the purpose hereinbefore set forth.

6.' The combination, with the threepart dumping-platform, of pivoted standard-supports having their segment peripheral surface engage the rear ends of the eentral'and side portions of the dumping-platform and capable of an oscillatory movement, substantially as and for the purpose hereinbefore set forth.

7. The combination, with the pivoted standard-supports of the dumping-platform, of a JOE hand-lever for disengaging the supports from the platform and a weight operating to return the support to engage the platform and hold it in contact therewith, substantially as and 5 for the purpose hereinbefore set forth.

8Q The combination, with the threepart dumping-platform, of the hinged beam capable of its changed positions to limit the inclination of the dumping-platform to adapt it for use in connection with a Wagon or sled, IO substantially as and (or the purpose hereinhefore set forth.

GEORGE H. OORMAOK. Witnesses:

GEO.-B. FREEMAN, A. O. BEHEL. 

